A cube has a volume of 125 cm3. 8 such cubes were joined to form a larger cube shown here. What will be the total surface area of the larger cube? (a) 600 sq.cm. (b) 250 sq.cm. (c) 375 sq.cm. (d) 2400 sq.cm.
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Answer:a) 600
Step-by-step explanation:
Volume of the small cube=125cm3
We know
Volume of cube = a3
a3=125cm3
a3=5^3
a=5cm
So, the side of the small cube is 5cm
For the larger cube you have 10cm as each side.
So, a = 10cm
Total surface area of a cube = 6a^2
TSA = 6*10*10
=600cm^2
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